Instruction Manual
2
Hardware Guide
PCI312PUSB/LP, PEX312PUSB/LP
Jumper Settings
JP1 (+5V Selector)
Settings
Default: The USB2.0 Bus Power is
supplied by the motherboard PCI slot
(DC+5V supplied from PCB)
The USB2.0 Bus Power is supplied by the
AUX power connector (J5).
This option provides more power for
Powered USB devices, but requires a
connection to the computer power
supply.
J1~J3:
External
Powered
USB Ports (x3)
J4:
USB Ports 4, 5
(for Expansion)
+5
+5
D-
D-
D+
D+
G
G
JP2:
+12V Selector
JP1:
+5V Selector
J5: AUX Power
